NDLI: Selective Solid-Phase Extraction and Trace Monitoring of Lead Ions in Food and Water Samples Using New Lead-Imprinted Polymer Nanoparticles

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Selective Solid-Phase Extraction and Trace Monitoring of Lead Ions in Food and Water Samples Using New Lead-Imprinted Polymer Nanoparticles

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Food Analytical Methods : Volume 1

Selective Solid-Phase Extraction and Trace Monitoring of Lead Ions in Food and Water Samples Using New Lead-Imprinted Polymer Nanoparticles

Content Provider	Springer Nature Link
Author	Behbahani, Mohammad Hassanlou, Parmoon Ghareh Amini, Mostafa M. Moazami, Hamid Reza Abandansari, Hamid Sadeghi Bagheri, Akbar Zadeh, Salman Hassan
Copyright Year	2014
Abstract	A solid-phase extraction method using Pb$^{2+}$ ion-imprinted polymer (Pb$^{2+}$-IIP) nanoparticles combined with flame atomic absorption spectrophotometry (FAAS) was developed for the preconcentration and trace monitoring of lead ions in environmental samples. The Pb$^{2+}$-IIP nanoparticles were obtained by precipitation polymerization of 4-vinylpyridine (the functional monomer), ethylene glycol dimethacrylate (the cross-linker), 2,2′-azobisisobutyronitrile (the initiator), 4-(2-pyridylazo) resorcinol (the lead-binding ligand), and lead ions (the template ion) in acetonitrile solution. The Pb$^{2+}$-IIP nanoparticles were characterized by Fourier transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric and differential thermal analysis (TGA/DTA), and by scanning electron microscopy (SEM). Different affecting parameters on the adsorption and desorption of this solid-phase extraction process were evaluated and optimized. Under the optimized conditions, the detection limit for the proposed method was found to be 0.9 μg L$^{−1}$, while the relative standard deviation (RSD) for five replicate measurements was calculated to be <4 %. For proving that the proposed method is reliable, a range of food and water samples with different and complex matrices was used.
Starting Page	558
Ending Page	568
Page Count	11
File Format	PDF
ISSN	19369751
Journal	Food Analytical Methods
Volume Number	8
Issue Number	3
e-ISSN	1936976X
Language	English
Publisher	Springer US
Publisher Date	2014-07-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lead ions Ion-imprinted polymer Nanoparticles Flame atomic absorption spectrophotometry Food and water samples Food Science Chemistry/Food Science Microbiology Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Safety Research Safety, Risk, Reliability and Quality Applied Microbiology and Biotechnology Food Science

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